i gett all that but whAT NEURON TRANSMITTING ELECTRCHEMICAL IMPULSES!!!!!

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I'm not sure what the question is, but the electrochemical impulses neurons send are properly called action potentials.  I don't have enough space here to explain, but maybe you can wikipedia it.  It basically involves a series of channels that allow sodium in and potassium out, each channel triggering its neighbor to open up, like dominoes falling in a row.  This allows the signal to move very quickly, just like the wave of falling dominoes moves faster than an individual domino (watch a video of one of the big domino set ups, you'll see the wave race across a gym faster than you could run).